Chillingly, the state controlled newspaper added that the nation's "absolute weapon", referring to their suspected H-Bomb, was ready for launch.

A NATO report previously warned that Kim had developed a H-Bomb, and was trying to sell elements of it on the black market.

The hydrogen bomb is much more powerful than an atomic bomb, and could cause mass devastation if launched.

FORBIDDEN photos show the true North Korean army

While tourists are free to visit the secretive state as part of strictly controlled tour groups, they are told to never take photos of soldiers by their handlers. These images taken by photographer Eric Lafforgue show the truth behind North Korean military service: a life of hard physical labour with the perks of visits to the nation's capital

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ERIC LAFFORGUE/EXCLUSIVEPIX MEDI

Many soldiers are used as a labor force to compensate for the ineffective North Korean economy, so the army is not only about military organization.

A Pentagon spokesman said: "We call on North Korea to refrain from provocative, destabilising actions and rhetoric, and to make strategic choice to fulfil its international obligations and commitments and return to serious talks.